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Finding the Fourth Proportional to 492,348.95, 738,228.15 and 225,775.52

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Solution

The fourth proportional to 492,348.95, 738,228.15 and 225,775.52 is: 338,527.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,348.95 : 738,228.15 = 225,775.52 : x
  2. Step 2: Convert to fraction form
    492,348.95/738,228.15 = 225,775.52/x
  3. Step 3: Cross multiply
    492,348.95x = 738,228.15 × 225,775.52
  4. Step 4: Simplify right side
    492,348.95x = 166,673,846,290.46
  5. Step 5: Solve for x
    x = 166,673,846,290.46/492,348.95
  6. Step 6: Final answer
    x = 338,527.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.